Table 2

Healthcare resource use and mean costs (€) associated with elevated potassium level >5.0 mmol/L

Patients with hyperkalaemiaMatched comparisons without hyperkalaemiaDifference within the cohort – difference within the comparisons (€) (95% CI)
6 months before (€)
(mean number of events)
6 months after (€)
(mean number of events)
Difference within the cohort (€)6 months before (€)
(mean number of events)
6 months after (€)
(mean number of events)
Difference within the comparisons (€)
Chronic kidney disease
Number of patientsn=17 747n=17 608
 Acute hospitalisations*3666 (0.78)8200 (1.21)45351778 (0.41)2194 (0.46)4164118 (3816 to 4421)
  Dialysis27 (0.00)124 (0.01)9717 (0.00)31 (0.00)1483 (50 to 116)
  Ventilator504 (0.02)2607 (0.07)2103243 (0.01)380 (0.01)1361966 (1747 to 2185)
  ICU675 (0.04)3108 (0.13)2433314 (0.02)467 (0.02)1532281 (2053 to 2508)
 Non-acute hospitalisations1653 (0.30)2757 (0.34)11041087 (0.18)1091 (0.18)31101 (922 to 1279)
 Outpatient visits1593 (4.42)1597 (5.06)41077 (3.10)1113 (3.22)37−32 (−124 to 60)
 GP consultations85 (4.42)80 (4.17)−579 (4.11)77 (4.03)-2−3 (−5 to −2)
 GP contacts174 (14.21)183 (14.67)9130 (11.33)137 (11.65)81 (−3 to 5)
 Prescriptions583 (22.91)455 (18.57)−128554 (21.08)533 (20.78)−21−108 (−122 to −93)
 Overall cost775413 2725518470551464415076 (4690 to 5463)
Heart failure
Number of patientsn=5141n=5141
 Acute hospitalisations5799 (1.30)9655 (1.53)38564934 (1.12)4156 (0.93)−7784634 (4028 to 5240)
  Dialysis85 (0.01)152 (0.02)6736 (0.01)31 (0.00)−572 (1 to 142)
  Ventilator636 (0.02)2905 (0.09)2270606 (0.02)419 (0.01)−1872457 (2040 to 2873)
  ICU928 (0.06)3462 (0.15)2534830 (0.05)627 (0.04)−2032737 (2311 to 3163)
 Non-acute hospitalisations1759 (0.29)3178 (0.33)14191820 (0.28)1674 (0.24)−1461565 (1172 to 1959)
 Outpatient visits1463 (4.84)1535 (5.62)731130 (4.03)1226 (4.63)96−24 (−160 to 112)
 GP consultations97 (5.04)85 (4.40)−1398 (5.07)92 (4.81)−5−7 (−11 to −4)
 GP contacts241 (18.17)223 (16.77)−18203 (16.06)199 (15.76)−4−14 (−24 to −4)
 Prescriptions647 (27.68)470 (20.89)−176622 (25.89)583 (25.59)−40−136 (−166 to −107)
 Overall cost10 00615 147514188077930−8776018 (5234 to 6802)
Diabetes
Number of patientsn=4183n=4151
 Acute hospitalisations3056 (0.66)6810 (0.98)37551195 (0.28)1076 (0.25)−1193874 (3301 to 4447)
  Dialysis33 (0.00)72 (0.01)409 (0.00)0 (0.00)−949 (−3 to 101)
  Ventilator260 (0.01)2197 (0.06)1936146 (0.00)119 (0.00)−271963 (1571 to 2356)
  ICU440 (0.03)2626 (0.11)2185166 (0.01)163 (0.01)−32189 (1778 to 2599)
 Non-acute hospitalisations1311 (0.23)2198 (0.29)888661 (0.12)602 (0.12)−60947 (651 to 1244)
 Outpatient visits1369 (4.01)1455 (4.74)87955 (2.67)931 (2.63)−24111 (−50 to 271)
 GP consultations97 (4.99)92 (4.79)−486 (4.45)80 (4.17)−51 (−2 to 5)
 GP contacts189 (15.99)195 (16.24)6143 (12.51)138 (11.91)−510 (2 to 19)
 Prescriptions548 (22.48)467 (19.48)−81458 (18.08)459 (18.93)1−82 (−109 to −54)
 Overall cost656911 218465034973285−2124862 (4156 to 5568)
  • *Acute hospitalisations with procedures of interest including dialysis, ventilator and ICU are presented, respectively.

  • GP, general practitioner; ICU, intensive care unit.